93940857 has 16 divisors (see below), whose sum is σ = 141799680. Its totient is φ = 61444656.

The previous prime is 93940843. The next prime is 93940859. The reversal of 93940857 is 75804939.

It is not a de Polignac number, because 93940857 - 2⁷ = 93940729 is a prime.

It is a super-2 number, since 2×93940857² = 17649769227788898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (93940859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31393 + ... + 34254.

It is an arithmetic number, because the mean of its divisors is an integer number (8862480).

Almost surely, 2^93940857 is an apocalyptic number.

It is an amenable number.

93940857 is a deficient number, since it is larger than the sum of its proper divisors (47858823).

93940857 is a wasteful number, since it uses less digits than its factorization.

93940857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65709 (or 65703 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 93940857 is about 9692.3091675823. The cubic root of 93940857 is about 454.5882149676.

The spelling of 93940857 in words is "ninety-three million, nine hundred forty thousand, eight hundred fifty-seven".